Home / 178,067.95-267,002.08-121,971.40

Finding the Fourth Proportional to 178,067.95, 267,002.08 and 121,971.40

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Solution

The fourth proportional to 178,067.95, 267,002.08 and 121,971.40 is: 182,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,067.95 : 267,002.08 = 121,971.40 : x
  2. Step 2: Convert to fraction form
    178,067.95/267,002.08 = 121,971.40/x
  3. Step 3: Cross multiply
    178,067.95x = 267,002.08 × 121,971.40
  4. Step 4: Simplify right side
    178,067.95x = 32,566,617,500.51
  5. Step 5: Solve for x
    x = 32,566,617,500.51/178,067.95
  6. Step 6: Final answer
    x = 182,888.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.